铁铬铝高温圆丝主要性能表：
|
牌号 / 性能 |
OCr21AL6Nb |
OCr27ALMo2 |
|
主要化学成分 |
Cr |
21.0-23.0 |
26.5-27.8 |
|
Al |
5.0-7.0 |
6.0-7.0 |
|
Re |
opportune |
opportune |
|
Fe |
Rest |
Rest |
|
|
Nb0.5 |
Mo1.8-2.2 |
|
元件最高使用温度(ºC) |
1350 |
1400 |
|
电阻率20ºC (μΩ·m) |
1.45 |
1.53 |
|
密度(g/cm3) |
7.10 |
7.10 |
|
导热系数(KJ/m·h·ºC) |
46.1 |
45.2 |
|
线胀系数(α×10-6/ºC) |
16.0 |
16.0 |
|
熔点约值( ºC) |
1510 |
1520 |
|
抗张系数 (N/mm2) |
650-800 |
680-830 |
|
延伸率(%) |
>12 |
>10 |
|
断面收缩率 (%) |
65-75 |
65-75 |
|
反复弯曲数(F/R) |
>5 |
>5 |
|
硬度 (H.B.) |
200-260 |
200-260 |
|
显微组织 |
Ferrite |
Ferrite |
|
磁性 |
Magnetic |
Magnetic |
铁铬铝高温圆丝参数表：
|
直径
(mm) |
截面积
(mm2) |
每米
表面积
(cm2/m) |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
|
电阻率μΩ• m 1.45±0.07 |
电阻率μΩ• m 1.53±0.07 |
|
20ºC
每米电阻(Ω/m) |
每千克长度(m/kg) |
每米重量(kg/m) |
20ºC
每米电阻(Ω/m) |
每千克长度(m/kg) |
每米重量(kg/m) |
|
0.10 |
0.0078 |
3.14 |
184.6 |
17933 |
0.0000558 |
194.8 |
17933 |
0.0000558 |
|
0.12 |
0.0113 |
3.77 |
128.2 |
12453 |
0.0000803 |
135.3 |
12453 |
0.0000803 |
|
0.15 |
0.0177 |
4.71 |
82.1 |
7970 |
0.000125 |
80.6 |
7970 |
0.000125 |
|
0.17 |
0.0227 |
5.34 |
63.9 |
6205 |
0.000161 |
67.4 |
6205 |
0.000161 |
|
0.19 |
0.0284 |
5.97 |
51.1 |
4968 |
0.000201 |
54.0 |
4968 |
0.000201 |
|
0.21 |
0.0346 |
6.60 |
41.9 |
4066 |
0.000246 |
44.2 |
4066 |
0.000246 |
|
0.25 |
0.0491 |
7.85 |
29.5 |
2870 |
0.000349 |
31.2 |
2870 |
0.000349 |
|
0.27 |
0.0573 |
8.48 |
25.0 |
2460 |
0.000407 |
26.7 |
2460 |
0.000407 |
|
0.29 |
0.0661 |
9.11 |
22.0 |
2131 |
0.000469 |
23.2 |
2132 |
0.000469 |
|
0.31 |
0.0755 |
9.74 |
19.2 |
1866 |
0.000536 |
20.3 |
1866 |
0.000536 |
|
0.35 |
0.0962 |
11.00 |
15.1 |
1464 |
0.000683 |
15.9 |
1464 |
0.000683 |
|
0.40 |
0.1257 |
12.57 |
11.54 |
1121 |
0.000892 |
12.19 |
1121 |
0.000892 |
|
0.45 |
0.1590 |
14.14 |
9.12 |
886 |
0.001129 |
9.62 |
886 |
0.001129 |
|
0.50 |
0.1963 |
15.71 |
7.38 |
717 |
0.001394 |
7.79 |
717 |
0.001394 |
|
0.60 |
0.283 |
18.85 |
5.13 |
498 |
0.00201 |
5.41 |
498 |
0.00201 |
|
0.70 |
0.385 |
22.0 |
3.77 |
366 |
0.00273 |
3.98 |
366 |
0.00273 |
|
0.80 |
0.503 |
25.1 |
2.88 |
280 |
0.00357 |
3.04 |
280 |
0.00357 |
|
0.90 |
0.636 |
28.3 |
2.28 |
221 |
0.00452 |
2.41 |
221 |
0.00452 |
|
1.00 |
0.785 |
31.4 |
1.85 |
179.5 |
0.00557 |
1.95 |
179.5 |
0.00557 |
|
1.20 |
1.131 |
37.7 |
1.282 |
124.5 |
0.00803 |
1.35 |
124.5 |
0.00803 |
|
1.40 |
1.539 |
44.0 |
0.942 |
91.5 |
0.01093 |
0.994 |
91.5 |
0.01093 |
|
1.60 |
3.01 |
50.3 |
0.721 |
70.1 |
0.01427 |
0.761 |
70.1 |
0.01427 |
|
1.80 |
2.54 |
56.5 |
0.570 |
55.5 |
0.01803 |
0.601 |
55.5 |
0.01803 |
|
2.00 |
3.14 |
62.8 |
0.462 |
44.8 |
0.0229 |
0.487 |
44.8 |
0.0229 |
|
2.20 |
3.80 |
69.1 |
0.381 |
37.0 |
0.0270 |
0.402 |
37.0 |
0.0270 |
|
2.50 |
4.91 |
78.5 |
0.295 |
28.7 |
0.0349 |
0.312 |
28.7 |
0.0349 |
|
2.80 |
6.16 |
88.0 |
0.235 |
22.9 |
0.0437 |
0.248 |
22.9 |
0.0437 |
|
3.00 |
7.07 |
94.2 |
0.205 |
19.92 |
0.052 |
0.216 |
19.92 |
0.052 |
|
3.50 |
9.62 |
110.0 |
0.1510 |
14.64 |
0.0683 |
0.159 |
14.64 |
0.0683 |
|
4.00 |
12.57 |
125.7 |
0.1154 |
11.21 |
0.0892 |
0.1218 |
11.21 |
0.0892 |
|
4.50 |
15.90 |
141.4 |
0.0912 |
8.86 |
0.1129 |
0.0962 |
8.86 |
0.1129 |
|
5.00 |
19.63 |
157.1 |
0.0738 |
7.17 |
0.1394 |
0.0779 |
7.17 |
0.1394 |
|
5.50 |
23.80 |
172.8 |
0.0610 |
5.92 |
0.1690 |
0.0644 |
5.92 |
0.1690 |
|
6.00 |
28.30 |
188.5 |
0.0513 |
4.98 |
0.201 |
0.0541 |
4.98 |
0.201 |
|
6.50 |
33.20 |
204 |
0.0437 |
4.24 |
0.236 |
0.0461 |
4.24 |
0.236 |
|
7.00 |
38.50 |
220 |
0.0377 |
3.66 |
0.273 |
0.0398 |
3.66 |
0.273 |
常熟市电热合金材料厂有限公司简称常熟市电热丝厂，是中国电热丝/发热丝/电阻丝/的专业生产型企业，公司在电热合金这个领域属于国内领先水平/HEATING-WIRE/RESISTANCE HEATING ALLOYS/HEATING ALLOYS
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